Idaho Power’s Boardman to Hemingway Transmission Line Project is a proposal to build a single-circuit, 500 kilovolt transmission line from the Grassland Substation near Boardman, Oregon to the Hemingway Substation near Melba, Idaho.
Maps are grouped by type and described below.
Search by address and view land ownership and resources.
Illustrate the proposed project at various levels of detail.
Used at BLM, USFS and ODOE public meetings.
Historical maps showing how the project has changed.